High-efficiency organic solar cells enabled by non-Ionic small-molecule cathode interlayers with tunable alkoxy side chains

Key Points

• The research aims to improve the efficiency of organic solar cells through innovative cathode interlayer materials.
• Developed two alcohol-soluble small-molecule interlayer materials, M-dOR and M-tOR.
• Conducted performance assessments of the organic solar cells with new interlayers.
• Analyzed the influence of tunable alkoxy side chains on solar cell efficiency.
• Demonstrated significant performance improvements in organic solar cells using the new cathode interlayers.
• Showed that the tunable alkoxy side chains positively affect solar cell efficiency and stability.